Is AD 2017-15-02 a recurring Airworthiness Directive?

No — AD 2017-15-02 is a one-time directive. Verify it was complied with in the aircraft's records.

Which aircraft does AD 2017-15-02 apply to?

AD 2017-15-02 applies to Bell — models 212, 412. Serial/part conditions may narrow it to specific aircraft.

Airworthiness Directive 2017-15-02

one-time

Official AD 2017-15-02 · FR doc 2017-15031 · 2017-07-20 · airframe

Airworthiness Directives; Bell Helicopter Textron, Inc. (Bell) Helicopters

What this AD requires

We are adopting a new airworthiness directive (AD) for Bell Model 212 and Model 412 helicopters. This AD requires replacing certain oil and fuel check valves and prohibits installing them on any helicopter. This AD is prompted by a report of cracked or leaking check valves. These actions are intended to address an unsafe condition on these helicopters.

Which aircraft AD 2017-15-02 applies to

MakesBell

Models212, 412

Part-conditional — 209-062-520-001, 209-062-607-001.

Applies only if an engine oil check valve P/N 209-062-520-001 or fuel check valve P/N 209-062-607-001, manufactured by Circor Aerospace and marked 'Circle Seal', with a manufacturing date code from 10/11 (October 2011) through 03/15 (March 2015), is installed.

Whether AD 2017-15-02 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.

Date — When the work was done.

Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.

Signature & certificate — The A&P/IA who returned it to service, with certificate number.

Is AD 2017-15-02 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.